Saffady, William
Records and information management : fundamentals of professional practice
Arma Internasional, 2004
 Buku Teks
Biringer, Betty E.
Security risk assessment and management : a professional practice guide for protecting buildings and infrastuctures
John Wiley & Sons, 2007
 Buku Teks
Wheeler, James E.
Advanced accounting : a professional approach
Richard D. Irwin , 1981
 Buku Teks
Professional studies for midwifery practice
Diane Fraser, editor
Churchill livingstone , 2000
 Buku Teks
Simms, Lillian M.
The professional practice of nursing administration
Delmar Publisher , 1985
 Buku Teks